html,
body {
	height: 100%;
}

body {
	background-color: #325595;
}

.shelf {
	width: 100%;
	height: 100%;
	background-color: rgba(255, 255, 255, 0.3);
	position: relative;
}

.shelf-inner {
	width: 1180px;
	height: 620px;
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	margin: auto;
}

.shelf-piece {
	width: 280px;
	height: 100%;
	padding-top: 60px;
	background: url('../1.png') no-repeat center bottom;
	background-position-y: 522px;
}

.shelf-piece:not(:last-child) {
	margin-right: 20px;
}

.piece-title {
	height: 40px;
}

.piece-title span {
	font-size: 18px;
	text-shadow: 2px 2px 2px rgba(0, 0, 0, 0.6);
	color: #fff;
	font-weight: bold;
	margin-right: 10px;
	line-height: 40px;
}

.nav-item {
	width: 100%;
	height: 420px;
	border-radius: 8px;
	overflow: hidden;
	background-color: #4fb69c;
	box-shadow: 2px 2px 2px rgba(0, 0, 0, 0.4);
}

.shelf-piece:nth-of-type(1) .nav-item {
	background-color: #4fb69c;
}

.shelf-piece:nth-of-type(2) .nav-item {
	background-color: #dd8655;
}

.shelf-piece:nth-of-type(3) .nav-item {
	background-color: #2275bd;
}

.shelf-piece:nth-of-type(4) .nav-item {
	background-color: #f24b4a;
}

.item-piece {
	width: 50%;
	height: 188px;
	border-bottom: 2px solid rgba(255, 255, 255, 0.2);
}

.item-piece:nth-child(odd) {
	border-right: 1px solid rgba(255, 255, 255, 0.2);
}

.item-piece:nth-child(even) {
	border-left: 1px solid rgba(255, 255, 255, 0.2);
}

.echarts {
	width: 140px;
	height: 110px;
}

.item-piece p {
	text-align: center;
}

.item-piece p:nth-of-type(1) {
	font-size: 34px;
	font-weight: bold;
	color: #fff;
}

.item-piece p:nth-of-type(2) {
	font-size: 14px;
	color: #fff;
}

.more {
	width: 100%;
	text-align: center;
}

.more a {
	color: #fff;
	line-height: 44px;
	font-size: 16px;
}